distance cheveu - écran

40μm

60μm

80μm

100μm

120μm

laser

Emplacement du fil :

Ecran

on/off

Diamètre des fils :

Le faisceau laser n'est visible que s'il traverse un milieu constitué de particules qui peuvent diffuser 

de la lumière (poussières, gouttes d'eau ....)

Remarque:

D = (160, -1)
C = (140, 1)
A = (140, 0)
V = Midpoint(C, A)
B = Point(xAxis)
W = Midpoint(B, D)
poly1, c, a, d, b = Polygon(C, A, D, B)
E = (0, 0)
F = (20, 0)
G = (5, -0.5)
H = (25, -0.5)
I = (25, 0)
J = (20, 0.5)
K = (0, 0.5)
poly2, k, j, f, e = Polygon(K, J, F, E)
poly3, e_1, g, h, f_1 = Polygon(E, G, H, F)
poly4, j_1, i, h_1, f_2 = Polygon(J, I, H, F)
l_1 = 100 (slider from 0 to 120, step 10)
L_1: (150.0 - l_1, 1.0)
M: (150.0 - l_1, -1.0)
m = Segment(L_1, M)
r = false
n = Segment(L_1, M)
s = false
p = Segment(L_1, M)
t = false
q = Segment(L_1, M)
u = false
a_1 = Segment(L_1, M)
v = false
L = Midpoint(F, I)
N = Midpoint(L_1, M)
l = Segment(L, N)
O = Midpoint(A, B)
b_1 = Line(L_1, M)
P = Point(b_1)
Q = Midpoint(b)
c_1 = Line(Q, O)
R = Point(c_1)
z = Vector(R, P)
texte1: l_1 + "cm"
S = Point(c)
T = Point(d)
U = Midpoint(V, W)
m_1 = Segment(L, U)
w = false
u_1 = Vector(P, R)
texte10: "Distance fil-écran : " + l_1 + "cm"
d_1 = Segment(V, W)
Z = Point(c)
A_1 = Point(d)
q_1 = Segment(Z, A_1)
Z1: (150.0 - l_1 * 6.5 / 100.0, l_1 * 0.325 / 100.0)
Z1' = Mirror(Z1, U)
g_1 = Segment(Z1, Z1')
r_1 = Segment(N, Z1)
s_1 = Segment(N, Z1')
Z2: (150.0 - l_1 * 4.5 / 100.0, l_1 * 0.225 / 100.0)
Z2' = Mirror(Z2, U)
i_1 = Segment(Z2, Z2')
k_1 = Segment(N, Z2)
n_1 = Segment(N, Z2')
Z3: (150.0 - l_1 * 3.5 / 100.0, l_1 * 0.175 / 100.0)
Z3' = Mirror(Z3, U)
p_1 = Segment(Z3, Z3')
t_1 = Segment(N, Z3)
a_2 = Segment(N, Z3')
Z4: (150.0 - l_1 * 2.75 / 100.0, l_1 * 0.1375 / 100.0)
Z4' = Mirror(Z4, U)
b_2 = Segment(Z4, Z4')
c_2 = Segment(N, Z4)
d_2 = Segment(N, Z4')
Z5: (150.0 - l_1 * 2.25 / 100.0, l_1 * 0.1125 / 100.0)
Z5' = Mirror(Z5, U)
e_2 = Segment(Z5, Z5')
g_2 = Segment(N, Z5)
h_2 = Segment(N, Z5')
B1: (139.5 - l_1, 0.6)
B1'_1 = Mirror(B1, L_1)
B1' = Mirror(B1, N)
B_1 = Mirror(B1'_1, N)
i_2 = Segment(B1, B1'_1)
j_2 = Segment(B1'_1, B1')
k_2 = Segment(B1', B_1)
l_2 = Segment(B_1, B1)
texte2: 33.0 * l_1 / 100.0 + "mm"
texte3: 22.0 * l_1 / 100.0 + "mm"
texte4: 16.0 * l_1 / 100.0 + "mm"
texte5: 13.0 * l_1 / 100.0 + "mm"
texte6: 11.0 * l_1 / 100.0 + "mm"